Home / 1,112,173.22-1,534,865.27-628,783.44

Finding the Fourth Proportional to 1,112,173.22, 1,534,865.27 and 628,783.44

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Solution

The fourth proportional to 1,112,173.22, 1,534,865.27 and 628,783.44 is: 867,758.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,173.22 : 1,534,865.27 = 628,783.44 : x
  2. Step 2: Convert to fraction form
    1,112,173.22/1,534,865.27 = 628,783.44/x
  3. Step 3: Cross multiply
    1,112,173.22x = 1,534,865.27 × 628,783.44
  4. Step 4: Simplify right side
    1,112,173.22x = 965,097,861,263.21
  5. Step 5: Solve for x
    x = 965,097,861,263.21/1,112,173.22
  6. Step 6: Final answer
    x = 867,758.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.